Cascade Vascular Associates is a service corporation that provides a range of health care services. It uses diagnostic ultrasound equipment to evaluate arteries and veins. The corporation also specializes in the diagnosis and treatment of arterial and venous disorders of the peripheral vascular system. Cascade Vascular Associates offers medical and surgical therapies. In addition, it provides prescription refill services. The corporation maintains a vascular ultrasound laboratory. Cascade Vascular Associates also offers online information on arterial and venous disorders.